Single shot firearm



FIG. 1 is a perspective view of an embodiment of a single shot firearm my new design;

FIG. 2 is a right side elevation view thereof; the left side being a mirror image thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevation view thereof; and,

FIG. 6 is a rear elevation view thereof. 

CLAIM An ornamental design for a single shot firearm, as shown and described. 